/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.sliew.scaleph.engine.flink.kubernetes.operator.spec;

import io.fabric8.kubernetes.api.model.Pod;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.apache.commons.lang3.builder.DiffResult;
import org.apache.commons.lang3.builder.Diffable;
import org.apache.commons.lang3.builder.ReflectionDiffBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

/**
 * TaskManager spec.
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class TaskManagerSpec implements Diffable<TaskManagerSpec> {

    /**
     * Resource specification for the TaskManager pods.
     */
    private Resource resource;

    /**
     * Number of TaskManager replicas. If defined, takes precedence over parallelism
     */
    private Integer replicas;

    /**
     * TaskManager pod template. It will be merged with FlinkDeploymentSpec.podTemplate.
     */
    private Pod podTemplate;

    @Override
    public DiffResult diff(TaskManagerSpec right) {
        ReflectionDiffBuilder builder = new ReflectionDiffBuilder(this, right, ToStringStyle.DEFAULT_STYLE);
        return builder.build();
    }
}
